Question

The price of a mathematics book is Rs. 65 and of a science book is Rs.78. Find the cost of 40 mathematics books and 115 science books in total?
1) 11,570
2) 11,574
3) 11,670
4) 11,770

Answer 1

Answer:

Option 1

Step-by-step explanation:

Data:-

Maths book = Rs.65

Science book = Rs.78

Solution:

Cost of 40 Maths books = 40×65 = Rs.2600

Cost of 115 Science books = 115×78 = Rs.8970

Cost in total of both books = 2600+8970= 11,570.